Sharp HT-CN150DVW - Page 69

HT-CN150DVW
69
Name Pin Numbers I/O Definition
MEV 50 I RFDC bottom envelope. Connected to VPA pin 58 via a capacitor.
VNA
51 G RF block and serial port ground.
FNN, FNP 52, 53 O
Differential outputs of equalizer/filter.
DIP, DIN 54, 55 I
Differential analog inputs to the RF single-end output buffer and full wave rectifier.
BYP 56 I
AGC amplifier gain bypass. Tied to VPA via a capacitor.
RFAC 57 O
Single-ended RF output.
VPA 58 P
RF block and serial port power supply.
AIP, AIN 59, 60 I Differential AGC amplifier inputs.
ATON, ATOP 61, 62 O Differential attenuator outputs.
RFSIN 63 I
Single-ended RF signal attenuator input.
RFDC 64 O
Single-ended RF summing output.
AGC Interface 59,60 I Differential AGC amplifiers inputs [AIP] AND [AIN].
Automatic Laser
Power Control
(APC) Interface
21 O APC laser power control for DVD [DVDLD].
22 O APC laser power control for CD [CDLD].
23 I APC photo diode in for DVD [DVDPD].
24 I APC photo diode in for CD [CDPD].
26 I APC input on/off control [LDON].
CD/DVD Photo
Detector Interface
3:6 I DVD differential phase detector matrix inputs [A2], [B2], [C2], and [D2].
9:12 I DVD single-ended phase detector matrix inputs [A], [B], [C], and [D].
13:16 I CD photo detector interface inputs [CD_A], [CD_B], [CD_C], and[CD_D].
17,18 I CD side beam photo detector tracking outputs [CD_E] and [CD_F].
Embedded Servo
DSP
Interface
26 I APC input on/off control [LDON] from embedded servo DSP.
33 O Linking signal and mirror monitor control I/O [LINK].
34 O Defect output [DFT] to embedded servo DSP.
38 O Pull-In signal [P1] to embedded servo DSP.
39 O Tracking error [TE] to embedded servo DSP.
40 O Focusing error [FE] to embedded servo DSP.
41 O Center error [CE] to embedded servo DSP.
46 I Serial clock [SCLK] from embedded servo DSP.
47 I/O Serial data I/O [SDATA] for embedded servo DSP.
48 I Serial data enable [SDEN] from embedded servo DSP.
Filtering and
Reference Voltage
7, 8 I Differential phase tracking low-pass filters [CP] and [CN].
20 O DC bias reference voltage [VC].
30 I Mirror low-pass filter [MLPF].
36 O Servo block reference voltage [V125].
43, 44 I Lens shift offset cancellation low-pass filters [LCP] and [LCN].
64 O Single-ended RF summing output reference [RFDC].
Power and
Ground
19 P Servo block port power supply [VPB].
25 G Servo block ground [VNB].
37 P 2.5V reference voltage servo putput power supply [V25].
45 P 3.3V output buffers power supply [V33].
51 G RF block and serial port ground [VNA].
58 P RF block and serial port power supply [VPA].